Neonatal rickets

The rickets of newborn are caused by vitamin D and / or calcium and phosphorus deficiency caused by calcium and phosphorus metabolism disorders, and cause the growth of bone and bone matrix calcium salt deposition disorders and / or bone-like tissue (uncalcified bone matrix Excessive accumulation is a nutritional metabolic bone disease with histological characteristics. If this disease has occurred at birth, it is called congenital rickets (CR), also known as fetal rickets and viviparous rickets. Neonatal rickets are easily associated with hypocalcemic spasms. As laryngeal spasms can be life-threatening or cause hypoxic brain damage, they should be actively treated. Neonatal rickets are not uncommon in China, especially in Northeast and North China, where the duration of sunshine is short and the cold season is longer. The incidence is up to 10% to 32.9%. . The incidence of newborns born in spring and summer is significantly higher than those born in autumn and winter, which can be as high as 40% to 90%. It is reported that the incidence of congenital rickets in babies born to white-collar pregnant women is increasing.

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